CVE-2026-29142
CVE-2026-29142 is a medium-severity vulnerability in Seppmail Secure Email Gateway with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-325.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v4: 6.3
- EPSS exploit prediction: 0% (3rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-18165
- Weakness: CWE-325
- Affected product: Seppmail Secure Email Gateway
- Published:
- Last modified:
Description
SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to forge a GINA-encrypted email.
Frequently asked questions
- What is CVE-2026-29142?
- SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to forge a GINA-encrypted email.
- How severe is CVE-2026-29142?
- CVE-2026-29142 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2026-29142 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-29142?
- CVE-2026-29142 affects Seppmail Secure Email Gateway. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-29142?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-29142 have an EU (EUVD) identifier?
- Yes. CVE-2026-29142 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18165.
- When was CVE-2026-29142 published?
- CVE-2026-29142 was published on 2026-04-02 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:seppmail:secure_email_gateway:*:*:*:*:*:*:*:*
More vulnerabilities in Seppmail Secure Email Gateway
- CVE-2026-29139 — Critical (CVSS 9.8): SEPPmail Secure Email Gateway before version 15.0.3 allows account takeover by abusing GINA account initialization to…
- CVE-2026-29143 — Critical (CVSS 9.1): SEPPmail Secure Email Gateway before version 15.0.3 does not properly authenticate the inner message of…
- CVE-2026-29133 — Critical (CVSS 9.1): SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to upload PGP keys with UIDs that do not match…
- CVE-2026-29138 — High (CVSS 7.5): SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to claim…
- CVE-2026-29135 — High (CVSS 7.5): SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to craft a password-tag that bypasses subject…
- CVE-2026-29134 — High (CVSS 7.5): SEPPmail Secure Email Gateway before version 15.0.3 allows an external user to modify GINA webdomain metadata and…
All CVEs affecting Seppmail Secure Email Gateway →
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